Exercise bike



FIG. 1 is a perspective view of an exercise bike configured in accordance with a preferred embodiment of the present invention;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a top elevational view thereof; and,

FIG. 7 is a bottom elevational view thereof.

The broken line portions of the exercise bike are for illustrative purposes only and are not intended to limit the claimed design to the features shown in broken lines. 

The ornamental designs for an exercise bike, as shown and described herein. 